TY  - BOOK
AU  - Forouzan,Behrouz A.
AU  - Fegan,Sophia Chung
TI  - Data communications and networking
SN  - 0070584087 :
AV  - TK5105 .F67 2004
PY  - 2004///
CY  - New Delhi
PB  - Tata McGraw-Hill
KW  - Data trasmission system
ER  -